For his part, it didn't even occur to Oldman that his costars might be intimidated. "I was intimidated by them," Oldman says. "I still come from that place of insecurity. This whole world is established, and it seems to be working pretty well. I am the Prisoner of Azkaban. It's called 'The Prisoner of Azkaban,' so really, the only person who could f—- this up was me." Thewlis, meanwhile, still can't stop raving about the lad who plays Harry: "He's fantastic, remarkably sane and quite eccentric. He's quite the little punk, and so self- deprecating. We used to joke that he'd be in rehab by the time he was 18, and by 27 he'd be hosting a game show called 'It's Wizards!' He's very funny."